Genome-wide identification, characterization, and expression analysis of nucleotide-binding leucine-rich repeats gene family under environmental stresses in tea (Camellia sinensis)
文献类型： 外文期刊
第一作者： Wang, Yuchun
作者： Wang, Yuchun;Lu, Qinhua;Xiong, Fei;Hao, Xinyuan;Wang, Lu;Zheng, Mengxia;Li, Nana;Ding, Changqing;Wang, Xinchao;Yang, Yajun
作者机构：
关键词： Tea plant; NBS; NB-ARC; Colletotrichum; Disease resistance gene; Biotic and abiotic stress
期刊名称：GENOMICS （ 影响因子：5.736； 五年影响因子：4.939 ）
ISSN： 0888-7543
年卷期： 2020 年 112 卷 2 期
页码：
收录情况： SCI
摘要： Plants often use nucleotide-binding leucine-rich repeats (NLRs) to recognize specific virulence proteins and activate the hypersensitive response thereby defending against invaders. However, data on NLRs and the resistance mechanism of NLR protein mediation in tea plant are extremely limited. In this study, 400 and 303 CsNLRs were identified from the genomes of C. sinensis var. sinensis (CSS) and C. sinensis var. assamica (CSA), respectively. Phylogenetic analysis revealed that the numbers in CNL groups are predominant in both CSS and CSA. RNA-Seq revealed that the expression of CsNLRs is induced by Colletotrichum fructicola, cold, drought, salt stress and exogenous methyl jasmonate. The 21 CsCNLs that are highly expressed in tea plant under biotic and abiotic stresses as well as during bud dormancy and in different tissues are identified. Gene structure analysis revealed several cis-regulatory elements associated with phytohormones and light responsiveness in the promoter regions of these 21 CsCNLs.
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